Finding the Fourth Proportional to 18,478,276, 27,716,947.44 and 5,014,754.08
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Solution
The fourth proportional to 18,478,276, 27,716,947.44 and 5,014,754.08 is: 7,522,004.50
Step by Step Solution
- Step 1: Write the proportion equation
18,478,276 : 27,716,947.44 = 5,014,754.08 : x - Step 2: Convert to fraction form
18,478,276/27,716,947.44 = 5,014,754.08/x - Step 3: Cross multiply
18,478,276x = 27,716,947.44 × 5,014,754.08 - Step 4: Simplify right side
18,478,276x = 138,993,675,259,885.56 - Step 5: Solve for x
x = 138,993,675,259,885.56/18,478,276 - Step 6: Final answer
x = 7,522,004.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.